Furuno FS-1575 FS-2575 FS-5075 User Manual

5.  DSC GENERAL MESSAGE CALLING, RECEIVING

with the party you called. The elapsed time since starting communication is dis-
played.
Note: When you receive this ABLE ACK on the working frequcency in on hook 
condition, END OF CALL is sent automatically. The communication is disconnect-
ed.

2. To quit the communications, do one of the following.

•  On hook the handset or press the CANCEL key. END OF CALL is sent auto-

matically. The waiting ACK for END OF CALL screen appears. When you re-
ceive the ACK, rotate the ENTER knob to select [QUIT] then push the knob.

•  When the PSTN line is disconnected by the coast station, you receive the END 

OF ACK message. Rotate the ENTER knob to select [QUIT] then push the 
knob.

When you receive an unable acknowledge message, the audio alarm sounds and a 
pop-up message appears. Rotate the ENTER knob to select [QUIT] then push the 
knob.

When a PSTN call is received, the 

 icon appears in the tab area. An able/unable 

acknowledge is sent automatically according to the setting of [PSTN] on the [ACK 
SETTINGS].

•  [AUTO (ABLE)]: The automatic able acknowledge (which means you can call with 

party) is sent.

•  [AUTO (UNABLE)]: The automatic unable acknowledge (which means you cannot 

call with party) is sent.

The automatic able acknowledge is sent and the pop-up message "PSTN connected 
pick up HANDSET!" appears.

Note: If you have already picked up the handset before the pop-up message appears, 
a pop-up message which suggests you to push the ENTER knob appears. Push the 
ENTER knob to accept.

1. Pick up the handset. When you receive PSTN ACK of connection, the screen for 

telephone calling appears. Communicate with the party. The elapsed time since 
starting communication is displayed.

2. To quit the communication, do one of the following.

•  On hook the handset or press the CANCEL key. END OF CALL is sent auto-

matically. The waiting ACK for END OF CALL screen appears. When you re-
ceive the ACK, rotate the ENTER knob to select [QUIT] then push the knob.

•  When the PSTN line is disconnected by the coast station, you receive the END 

OF ACK message. Rotate the ENTER knob to select [QUIT] then push the 
knob.

After disconnection of PSTN line, the charge information is sent.